Term
|
Definition
| vvertebrates like the ancient jawless fish are in this phylum subgroup. |
|
|
Term
| fish, amphibians such as frogs, reptiles such as snakes are vertebrate examples of this |
|
Definition
|
|
Term
|
Definition
| flexible rod that supports a chordate's back |
|
|
Term
|
Definition
| notochord, nerve in back, slits in throats |
|
|
Term
| vertebrate characteristics |
|
Definition
| has a backbone that is part of an internal skeleton. |
|
|
Term
|
Definition
| spine that runs down the center of the back |
|
|
Term
|
Definition
| similar bones line up in a rowe like beads on a string. |
|
|
Term
|
Definition
| aka endo skeleton. protects the body's organs. |
|
|
Term
|
Definition
| an animal whose body does not produce much internal heat. cold blooded animals (although their blood is often quite warm) |
|
|
Term
|
Definition
| an animal who's body regulates it's own temperature by controlling the internal heat it produces. |
|
|
Term
|
Definition
| vertebrate that lives in water and uses fins to move |
|
|
Term
|
Definition
| are ecotherms, obtain oxygen through gills and having scales. |
|
|
Term
| how does a fish get oxygen |
|
Definition
| water moves through fish's throat region that lead to gills, gills move oxygen into fish's blood. |
|
|
Term
|
Definition
| thin membrane stretched across a bony support, like a canoe paddle. |
|
|
Term
|
Definition
| most have external fertilization. eggs fertilized outside of body & hatch outside of body. |
|
|
Term
|
Definition
| jawless, cartilaginous and bony |
|
|
Term
|
Definition
|
|
